One vertex per element, one color per generator, with an edge from x to x·s.
(1,2,6,8,5,10,4,9)(3,7,11,16,12,14,13,15)(17,18)(19,30)(20,25)(21,36)(22,28)(23,29)(24,32)(26,37)(27,34)(31,45)(33,40)(35,39)(38,43)(41,47)(42,46)(44,48)(1,3,4,13,5,12,6,11)(2,7,9,15,10,14,8,16)(17,19,22,32,23,20,34,33)(18,24,27,30,29,40,28,25)(21,31,37,46,38,35,48,47)(26,39,36,42,44,45,43,41)(2,8)(3,11)(4,6)(7,14)(9,10)(12,13)(17,20)(18,25)(19,23)(21,31)(22,33)(24,27)(26,42)(28,40)(29,30)(32,34)(35,38)(36,45)(37,46)(39,43)(41,44)(47,48) involution — undirected(3,12)(7,14)(11,13)(15,16)(17,21,34,48,23,38,22,37)(18,26,28,43,29,44,27,36)(19,31,33,47,20,35,32,46)(24,39,25,41,40,45,30,42)A Cayley diagram is a choice, not a fact about the group. Another drawing of this group — in a book, or on a different generating set — may look nothing like this one.